今から100年以上前の1908年に、「新元素」を発見した日本人化学者がいました。その名は小川正孝。新元素は「ニッポニウム Np」と名付けられ、元素周期表にも掲載されましたが、追試に成功した研究者がいなかったため、次第に疑われるようになってしまったのです。しかし彼は一人、黙々と研究を続けました。・・・そして、ようやく最近になって、彼の発見したものが、確かに当時未発見の「新元素」であったことが確認さ
Excerpt from Lincoln's Account of the Hampton Roads Conference: With Facsimiles From the Original Documents in the Collection of Judd StewartSir: I have deemed it proper, and probably desirable to you
This floral notebook features words "My Notebook" on the cover. There is easy look inside for writing notes and ideas. It can be used as a notebook, journal or composition book. This paperback noteboo
This is a handy A4 Attendance Tracker To Use In Your Classroom.Inside you will find:COVER:Glossy Tough Paperback.Professionally boundSIZE: 21.59 x 27.94 cmINTERIOR:Classroom Procedures PageClassroom M
"Nearly seventy-five years of my lifetime have come and gone since hearing of the sparse historical events from the old-timers," American Indian elder George Aguilar tells us. "It’s my turn now." When
Excerpt from Gl'Inni Sacri e IL Cinque Maggio: Dichiarati e Illustrati da Luigi Venturi Deh vogli La via segnarmi, onde toccar la cima IO possa, o far che s' io cadrò sull' erta, Dicasi almen: Sull' o
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